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Class 370/527 - Superimposed or modulated on principal information


Subclass of Class 370 - Multiplex communications
Definition: Subject matter in which the signaling information is carried
No. of patents: 161
Last issue date: 05/01/2012


1          
NumberTitleIssue Date
8170068Method, apparatus, and system for data transmission and processing in a wireless communication environment
According to one aspect of the present invention, a method is provided in which indications of signal quality associated with each of the plurality of user stations are received. Multiple user stations (e.g., a first user station and a second user station) are selec...
05/01/2012
8085819Superposition coding in a wireless communication system
The present patent application comprises a method and apparatus to compile a superposition coded packet by compiling user candidates for superposition coding, ranking the user candidates based on a result of an evaluation function, selecting a deserving user candida...
12/27/2011
8050298Dual transmission stream generating device and method
A digital broadcasting receiver and a stream processing method are provided. The digital broadcasting receiver includes a demodulator which demodulates a received transmission stream and an equalizer which equalizes the transmission stream, wherein the transmission ...
11/01/2011
7782908Method and a feed circuit for feeding a stream of digital transmission data into a transmission medium having frequency suppression
A feed circuit accepts a stream of digital payload data and inserts it at predetermined first positions into a stream of digital transmission data. The feed circuit generates supplementary digital data using the stream of digital payload data and inserts it at prede...
08/24/2010
7623553Method, apparatus, and system for data transmission and processing in a wireless communication environment
According to one aspect of the present invention, a method is provided in which indications of signal quality associated with each of the plurality of user stations are received. Multiple user stations (e.g., a first user station and a second user station) are selec...
11/24/2009
7602817Low deviation field modulation for transfer of information
An interface receives a packet stream associated with a source and a destination. The packet stream includes multiple packets, each packet including a header and a payload. A system generates a modulated stream for inclusion in the packet stream and performs a low d...
10/13/2009
7428251Control and supervisory signal transmission system
An intermediate station transmits a supervisory signal sent form a given controlled device to a controlled device associate with the given device as a control signal. An intermediate-station input unit extracts a supervisory signal, which is a current signal superim...
09/23/2008
7403753Receiving system operating on multiple audio programs
A receiver contains a demodulator system that can deliver a stream of digital data comprising at least a first and a second audio program. If a user selects the first audio program, the receiver applies a first bit rate decompression to generate a stream of decompre...
07/22/2008
7342958System and method for enhancing throughput in an additive gaussian noise channel with a predetermined rate set and unknown interference
A system for, and method of, determining channel throughput achievable under superposition coding given a finite, predetermined set of allowed transmission rates and a related system for, and method of, maximizing channel throughput. In one embodiment, the system in...
03/11/2008
7340048System and method for directory services and e-commerce across multi-provider networks
The present invention solves the problem of cross-provider access proprietary information between unaffiliated and competing network providers, but not allow that information to be disclosed to competing providers. The invention provides a system that allows increas...
03/04/2008
7333456Training information transmission method in a block transmission system
A method and system for transmitting training information in a block transmission system is provided. The method includes transmitting a first information bearing unit by at least one transmit antenna. The method further includes transmitting a second information be...
02/19/2008
7319775Wavelet domain watermarks
A wavelet domain watermark encoder and decoder embed and detect auxiliary signals in a media signal, such as a still image, video or audio signal. A watermark orientation signal is embedded in a wavelet decomposed signal to facilitate detection of the watermark in a...
01/15/2008
7307943Mobile station, base station, communication system, and communication method
A mobile station, and corresponding system and method, the mobile station including an IQ multiplexer configured to IQ multiplex transmission data for a data channel and control data for a control channel, and to generate a complex signal; and a transmitter configur...
12/11/2007
7301960Apparatus for and method of control and communication of multiple stations in a TDM network
A system for transmitting and receiving control data in a TDM communications network includes a single master TDM multiplexor and one or more slave TDM muliplexors. The master station stimulates the one or more slave stations, and only one station can transmit contr...
11/27/2007
7289423Mobile station, base station, communication system, and communication method
When a scrambler (54) performs IQ multiplexing of output signals from a spreader 52 and a distributor 53 in order to generate a complex signal (I signal and Q signal), amplitude coefficients βcc(I) and βcc(Q) are determined in accordance with ...
10/30/2007
7272368System and method for reduced deviation time domain FM/PM discriminator to achieve a reduced bandwidth frequency or phase modulation communications channels
The present disclosure provides a receiver for receiving a narrow frequency deviation frequency modulated or phase modulated base band signal including a mixer for mixing the received narrow frequency deviation signal to generate an intermediate frequency signal, a ...
09/18/2007
7236503Short range RF communication for jet engine control
A method transmitting a message over at least one of a plurality of radio frequency (RF) channels of an RF communications network is provided. The method comprises the steps of detecting a presence of jamming pulses in the at least one of the plurality of RF channel...
06/26/2007
7209495Urgent messages and power-up in frequency hopping system for intemittent transmission
A wireless telemetry system includes many radio transmitters using frequency-hopping carriers for intermittently transmitting very short messages indicative of status of stimuli associated with the transmitters. The transmitters can transmit independently of any rec...
04/24/2007
7206878Voltage level bus protocol for transferring data
A bus protocol that allows a master to transfer the same data to multiple devices at the same time. More specifically, the bus protocol uses a particular voltage level to identify whether a device should receive the data. A controller is used for programming the vol...
04/17/2007
7190938Broadcast receiver
A receiver for receiving a digital radio broadcast in which additional information is multiplexed with audio information includes a memory for storing the additional information, a liquid crystal display (LCD), and a bookmark button. When the bookmark button is depr...
03/13/2007
7187276Power line communication system and method of using the same
The fiber optic isolator of the present invention transports data signals between high voltage power lines and a communications interface device, bypassing a step down transformer to low voltage power. The communication interface device includes a low voltage power ...
03/06/2007
7161993Method and apparatus for coding in a telecommunications system
First and second transmission links are established with a remote station. An information signal is encoded to provide an encoded information signal having more bits than the information signal. First and second transmission signals are provided wherein each transmi...
01/09/2007
7146450Control and supervisory signal transmission system for changing a duty factor of a control signal
A parent station output section changes a duty factor between a period in which a control data signal is at a level (high-potential low-level) lower than a power supply voltage Vx but higher than high-level signal in other circuit portions and a subsequent period in...
12/05/2006
7145863Mobile station, base station, communication system, and communication method
A mobile station, and corresponding system and method, the mobile station including an IQ multiplexer configured to IQ multiplex transmission data for a data channel and a control data for control channel, and to generate a complex signal; and a transmitter configur...
12/05/2006
7120092System and method for performing clock synchronization of nodes connected via a wireless local area network
A clock synchronization method and apparatus is disclosed for use in a communication system including a plurality of wireless nodes communicatively coupled via a wireless network, each of the plurality of wireless nodes having a local time base, and one of the plura...
10/10/2006
7102993Mobile station, base station, communication system, and communication method
A mobile station, and corresponding system and method, the mobile station including an IQ multiplexer configured to IQ multiplex transmission data for data channels, control data for a control channel, and control data for an exclusive control channel for high speed...
09/05/2006
7050603Watermark encoded video, and related methods
Watermarks in video signals or the accompanying audio track are used to associate video objects in a video sequence with object specific actions or information. A video object refers to a spatial and temporal portion of a video signal that depicts a recognizable obj...
05/23/2006
7042351Data communication over a power line
Data signals are communicated between a power line and a computer, wherein the power line provides power to the computer via a distribution transformer and the computer is in communication with a wireless communication path. A first data signal is communicated with ...
05/09/2006
7031258Digital data system with link level message flow control
A digital data system comprises a plurality of links for passing messages between nodes, which may be end points such as memory or processing units, or intermediate or branch points such as routers or other devices in the system. A link level flow control is impleme...
04/18/2006
7031370Spread-spectrum communication device
An example spread spectrum communication system is provided in which a transmission signal is separated into an I-phase component and a Q-phase component. In a complex spreading portion, spreading is performed by using multipliers and adders together with a sequence...
04/18/2006
7027466Multiplexer, demultiplexer and multiplex communication system
An optical multiplex communication system includes a multiplexer and a demultiplexer. In the multiplexer, one of two modulated optical pulse train signals is attenuated by an optical attenuator so that amplitudes of the two signals differ from each other. Then, the ...
04/11/2006
6987989Base station apparatus provided with array antennas
In an array-antenna base-station apparatus 100, a relay-station apparatus 110 and a control-station apparatus 120 are connected with optical cables 140, 150, and, moreover, calibration of the whole apparatus 100 is performed to imp...
01/17/2006
6967974Transmission of urgent messages in telemetry system
A radio transmission system including many radio transmitters using frequency hopping carriers to intermittently transmit very short messages indicative of status of stimuli associated with the transmitters. The transmitters transmit transmissions independently of a...
11/22/2005
6965262Method and apparatus for receiving high speed signals with low latency
An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter...
11/15/2005
6960987Fire alarm system, fire sensor, fire receiver, and repeater
Disclosed herein is a fire alarm system for connecting a plurality of fire sensors to sensor lines, and giving an alarm in response to fire information output from the fire sensor in a line unit. The fire alarm system includes a current modulation section and an add...
11/01/2005
6961431Analog privacy scrambler and scrambling method
A system and method for maintaining privacy in transmission of a high bandwidth analog signal. A preferred system and method breaks an input signal into bands and then uses Walsh codes to overlay many signals on top of each other with a set of phase modulators to es...
11/01/2005
6961550Radio receiver that changes function according to the output of an internal voice-only detector
A radio receiver includes a voice-only detection mechanism that detects when the current radio station is transmitting mostly voice, and that changes the function of the receiver depending on whether or not the current radio station is transmitting mostly voice. In ...
11/01/2005
6957053Method for selection of a receiver tuning frequency
Method for tuning the reception of radio broadcast signals to an FM RDS transmitter using program related data and transmitter related data and receiver executing the method, providing a band scanning search for detecting FM RDS transmitters exceeding a predetermine...
10/18/2005
6954472Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal
A method of superimposing additional information on a video signal, transmitting it, and detecting the additional information from the transmitted video signal. The additional information is synchronized with a sync signal in the video signal, and generated in N (Nâ...
10/11/2005
6947769Radio base station device and radio communication method
A base transceiver station includes a baseband signal processor outputting a frequency notification signal indicating a carrier frequency for modulating a baseband signal, in combination with a baseband signal and a radio transmitter and receiver modulating the base...
09/20/2005
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